SIST EN 60269-4:2007
(Main)Low-voltage fuses -- Part 4: Supplementary requirements for fuse-links for the protection of semiconductor devices
Low-voltage fuses -- Part 4: Supplementary requirements for fuse-links for the protection of semiconductor devices
These supplementary requirements apply to fuse-links for application in equipment containing semiconductor devices for circuits of nominal voltages up to 1 000 V a.c. or 1 500 V d.c. and also, in so far as they are applicable, for circuits of higher nominal voltages.
Niederspannungssicherungen -- Teil 4: Zusätzliche Anforderungen an Sicherungseinsätze zum Schutz von Halbleiter-Bauelementen
Fusibles basse tension -- Partie 4: Exigences supplémentaires concernant les éléments de remplacement utilisés pour la protection des dispositifs à semiconducteurs
Les présentes exigences supplémentaires s'appliquent aux éléments de remplacement destinés à être associés à des matériels comportant des dispositifs à semiconducteurs et utilisés dans des circuits de tensions nominales inférieures ou égales à 1 000 V en courant alternatif, à 1 500 V en courant continu, ainsi que, s'il y a lieu, dans des circuits de tensions nominales supérieures à ces valeurs.
Nizkonapetostne varovalke – 4. del: Dodatne zahteve za taljive vložke za zaščito polprevodniških naprav (IEC 60269-4:2006)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 60269-4:2007
01-november-2007
1DGRPHãþD
SIST EN 60269-4:1998
SIST EN 60269-4:1998/A1:1998
SIST EN 60269-4:1998/A2:2004
SIST EN 60269-4-1:2003
1L]NRQDSHWRVWQHYDURYDONH±GHO 'RGDWQH]DKWHYH]DWDOMLYHYORåNH]D]DãþLWR
SROSUHYRGQLãNLKQDSUDY ,(&
Low-voltage fuses -- Part 4: Supplementary requirements for fuse-links for the protection
of semiconductor devices (IEC 60269-4:2006)
Niederspannungssicherungen -- Teil 4: Zusätzliche Anforderungen an
Sicherungseinsätze zum Schutz von Halbleiter-Bauelementen (IEC 60269-4:2006)
Fusibles basse tension -- Partie 4: Exigences supplémentaires concernant les éléments
de remplacement utilisés pour la protection des dispositifs a semiconducteurs (IEC
60269-4:2006)
Ta slovenski standard je istoveten z: EN 60269-4:2007
ICS:
29.120.50 9DURYDONHLQGUXJD Fuses and other overcurrent
PHGWRNRYQD]DãþLWD protection devices
SIST EN 60269-4:2007 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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EUROPEAN STANDARD
EN 60269-4
NORME EUROPÉENNE
May 2007
EUROPÄISCHE NORM
ICS 29.120.50 Supersedes EN 60269-4:1996 + A1:1997 + A2:2003 and EN 60269-4-1:2002
English version
Low-voltage fuses -
Part 4: Supplementary requirements for fuse-links
for the protection of semiconductor devices
(IEC 60269-4:2006)
Fusibles basse tension - Niederspannungssicherungen -
Partie 4: Exigences supplémentaires Teil 4: Zusätzliche Anforderungen
concernant les éléments an Sicherungseinsätze zum Schutz
de remplacement utilisés von Halbleiter-Bauelementen
pour la protection des dispositifs (IEC 60269-4:2006)
à semiconducteurs
(CEI 60269-4:2006)
This European Standard was approved by CENELEC on 2007-03-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60269-4:2007 E
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EN 60269-4:2007 - 2 -
Foreword
The text of document 32B/485/FDIS, future edition 4 of IEC 60269-4, prepared by SC 32B, Low-voltage
fuses, of IEC TC 32, Fuses, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 60269-4 on 2007-03-01.
This European Standard supersedes EN 60269-4:1996 + A1:1997 + A2:2003 and EN 60269-4-1:2002.
This part is to be used in conjunction with EN 60269-1:2007, Part 1:General requirements.
This Part 4 supplements or modifies the corresponding clauses or subclauses of Part 1.
Where no change is necessary, this Part 4 indicates that the relevant clause or subclause applies.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2008-03-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2010-03-01
Tables and figures which are additional to those in Part 1 are numbered starting from 101.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60269-4:2006 was approved by CENELEC as a European
Standard without any modification.
__________
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- 3 - EN 60269-4:2007
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60269-1 - Low-voltage fuses - EN 60269-1 2007
Part 1: General requirements
1) 2)
IEC 60269-2 (mod) - Low-voltage fuses - HD 60269-2 2007
Part 2: Supplementary requirements for fuses
for use by authorized persons (fuses mainly
for industrial application) - Examples of
standardized systems of fuses A to I
1) 2)
IEC 60269-3 (mod) - Low-voltage fuses - HD 60269-3 2007
Part 3: Supplementary requirements for fuses
for use by unskilled persons (fuses mainly for
household or similar applications) - Examples
of standardized systems of fuses A to F
IEC 60417 data- Graphical symbols for use on equipment - -
base
1)
ISO 3 - Preferred numbers - Series of preferred - -
numbers
1)
Undated reference.
2)
Valid edition at date of issue.
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NORME CEI
INTERNATIONALE
IEC
60269-4
INTERNATIONAL
Quatrième édition
STANDARD
Fourth edition
2006-11
Fusibles basse tension –
Partie 4:
Exigences supplémentaires concernant les
éléments de remplacement utilisés pour la
protection des dispositifs à semiconducteurs
Low-voltage fuses –
Part 4:
Supplementary requirements for fuse-links
for the protection of semiconductor devices
© IEC 2006 Droits de reproduction réservés ⎯ Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
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électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
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Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
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PRICE CODE
Commission Electrotechnique Internationale
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue
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60269-4 © IEC:2006 – 3 –
CONTENTS
FOREWORD.9
INTRODUCTION .
1 General.15
1.1 Scope.15
1.2 Object.8
2 Terms and definitions .15
2.2 General terms.17
3 Conditions for operation in service.17
3.4 Voltage.17
3.4.1 Rated voltage.17
3.4.2 Applied voltage in service.19
3.5 Current.19
3.6 Frequency, power factor and time constant .19
3.6.1 Frequency.19
3.6.3 Time constant (τ).19
3.10 Temperature inside an enclosure .21
4 Classification.21
5 Characteristics of fuses .21
5.1 Summary of characteristics.21
5.1.2 Fuse-links.21
5.2 Rated voltage.21
5.4 Rated frequency.21
5.5 Rated power dissipation of the fuse-link .21
5.6 Limits of time-current characteristics .23
5.6.1 Time-current characteristics, time-current zones .23
5.6.2 Conventional times and currents.23
5.6.3 Gates.25
5.6.4 Overload curves.25
5.7.1 Breaking range and utilization category .25
5.7.2 Rated breaking capacity .27
2
5.8 Cut-off current and I t characteristics.27
5.8.1 Cut-off current characteristics.27
2
5.8.2 I t characteristics .27
5.9 Arc voltage characteristics .29
6 Markings.29
6.2 Markings on fuse-links.29
7 Standard conditions for construction.31
7.3 Temperature rise and power dissipation of the fuse-link .31
7.4 Operation.31
7.5 Breaking capacity.31
2
7.7 I t characteristics .31
7.14 Arc voltage characteristics .31
7.15 Special operating conditions.31
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60269-4 © IEC:2006 – 5 –
8 Tests.33
8.1 eneral.33
8.1.4 Arrangement of the fuse-link.33
8.1.5 Testing of fuse-links.33
8.3 Verification of temperature rise limits and power dissipation.35
8.3.1 Arrangement of the fuse-link.35
8.3.3 and 8.3.4.2 Measurement of power dissipation of the fuse-link .37
8.3.5 Acceptability of test results.37
8.4 Verification of operation.37
8.4.1 Arrangement of fuse-link.37
8.4.3 Test method and acceptability of test results .37
8.5 Verification of the breaking capacity .41
8.5.1 Arrangement of the fuse .41
8.5.5 Test method.41
8.5.8 Acceptability of test results.45
8.6 Verification of the cut-off current characteristic.47
8.6.1 Test method.47
8.6.2 Acceptability of test results.49
2
8.7 Verification of the I t characteristics and over-current discrimination.51
8.7.1 Test method .51
8.7.2 Acceptability of test results.51
8.7.3 Verification of compliance for “gG” and “gM” fuse-links.51
8.7.4 Verification of overcurrent discrimination .51
8.7.5 Verification of arc voltage characteristics and acceptability of test
results .51
Annex A (informative) Guide for the coordination of fuse-links with semiconductor
devices .61
Annex B (normative) Survey on information to be supplied by the manufacturer in his
literature (catalogue) for a fuse designed for the protection of semiconductor devices .75
Annex C (normative) Examples of standardized fuse-links for the protection of
semiconductor devices .77
Figure 101 – Conventional overload curve (example) (X and Y are points of verified
overload capability).53
Figure 102 – Example of a conventional test arrangement (continued on page 57) .55
Figure 103 – Example of a conventional test arrangement .59
Figure C.1 – Single body fuse-links.79
Figure C.2 – Double body fuse-links .81
Figure C.3 – Twin body fuse-links .83
Figure C.4 – Trip indicator fuse-links .83
Figure C.5 – Fuse-links with bolted connections, type B, body sizes 000 and 00.87
Figure C.6 – Fuse-links with bolted connections, type B, body sizes 0, 1, 2 and 3.89
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60269-4 © IEC:2006 – 7 –
Figure C.7– Bolted fuse-links, type C .93
Figure C.8 – Flush end fuse-links, type A.97
Figure C.9 – Flush end fuse-links, type B.101
Figure C.10 – Fuse-links with cylindrical contact caps, type A.105
Table 101 – Conventional times and currents for “gR” and “gS” fuse-links .25
Table 102 – List of complete tests.33
Table 103 – Survey of tests on fuse-links of the smallest rated current of a
homogeneous series.35
Table 104 – Values for breaking-capacity tests on a. c. fuses .45
Table 105 – Values for breaking-capacity tests on d.c. fuses .47
2
Table 106 – Values for verification of cut-off current, I t and arc voltage
characteristics tests for a.c. .49
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60269-4 © IEC:2006 – 9 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LOW-VOLTAGE FUSES –
Part 4: Supplementary requirements for fuse-Iinks
for the protection of semiconductor devices
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60269-4 has been prepared by subcommittee 32B: Low-voltage
fuses, of IEC technical committee 32: Fuses.
This fourth edition cancels and replaces the third edition published in 1986, amendment 1
(1995) and amendment 2 (2002) as well as IEC 60269-4-1(2002) and constitutes a minor
revision.
The general re-organization of the IEC 60269 series has led to the creation of this new
edition.
This part is to be used in conjunction with IEC 60269-1:2006, Part 1:General requirements.
This Part 4 supplements or modifies the corresponding clauses or subclauses of Part 1.
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60269-4 © IEC:2006 – 11 –
Where no change is necessary, this Part 4 indicates that the relevant clause or subclause
applies.
Tables and figures which are additional to those in Part 1 are numbered starting from 101.
The text of this standard is based on following documents:
FDIS Report on voting
32B/485/FDIS 32B/492/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
IEC 60269 consists of the following parts, under the general title Low-voltage fuses:
Part 1: General requirements
NOTE This part includes the IEC 60269-1 (third edition, 1998) and parts of the IEC 60269-2
(second edition, 1986) and IEC 60269-3 (second edition, 1987).
Part 2: Supplementary requirements for fuses for use by authorized persons (fuses
mainly for industrial application) – Examples of standardized systems of fuses A
to I
NOTE This part includes parts of the IEC 60269-2 (second edition, 1986) and the entire IEC 60269-
2-1 (fourth edition, 2004).
Part 3: Supplementary requirements for fuses for use by unskilled persons (fuses mainly
for household or similar application) – Examples of standardized systems of fuses
A to F
NOTE This part includes parts of the IEC 60269-3 (second edition, 1987) and the entire IEC 60269-
3-1 (second edition, 2004).
Part 4: Supplementary requirements for fuse-links for the protection of semiconductor
devices
NOTE This part includes the IEC 60269-4 (third edition, 1986) and the IEC 60269-4-1 (first edition,
2002).
Part 5: Guidance for the application of low-voltage fuses
NOTE Currently IEC/TR 61818 (2003).
For reasons of convenience, when a part of this publication has come from other publications,
a remark to this effect has been inserted in the text.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
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60269-4 © IEC:2006 – 13 –
INTRODUCTION
A reorganization of the different parts of the IEC 60269 series has been carried out, in order
to simplify its use, especially by the laboratories which test the fuses.
IEC 61269-1, IEC 60269-2, IEC 60269-3 and IEC 60269-3-1 have been integrated into either
the new part 1 or the new parts 2 or 3, according to the subjects considered, so that the
clauses which deal exclusively with “fuses for authorized persons” are separated from the
clauses dealing with “fuses for unauthorized persons”.
As far as IEC 60269-4 and IEC 60269-4-1 are concerned, they have been integrated into the
new part 4 which deals with the fuse-links used for semiconductor protection.
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60269-4 © IEC:2006 – 15 –
LOW-VOLTAGE FUSES –
Part 4: Supplementary requirements for fuse-links
for the protection of semiconductor devices
1 General
IEC 60269-1 applies with the following supplementary requirements.
Fuse-links for the protection of semiconductor devices shall comply with aIl requirements of
IEC 60269-1, if not otherwise indicated hereinafter, and shall also comply with the
supplementary requirements laid down below.
1.1 Scope and object
These supplementary requirements apply to fuse-links for application in equipment containing
semiconductor devices for circuits of nominal voltages up to 1 000 V a.c. or 1 500 V d.c. and
also, in so far as they are applicable, for circuits of higher nominal voltages.
NOTE 1 Such fuse-Iinks are commonly referred to as “semiconductor fuse-links”.
NOTE 2 In most cases, a part of the associated equipment serves the purpose of a fuse-base. Owing to the great
variety of equipment, no general rules can be given; the suitability of the associated equipment to serve as a fuse-
base should be subject to agreement between the manufacturer and the user. However, if separate fuse-bases or
fuse-holders are used, they should comply with the appropriate requirements of IEC 60269-1.
The object of these supplementary requirements is to establish the characteristics of
semiconductor fuse-links in such a way that they can be replaced by other fuse-links having
the same characteristics, provided that their dimensions are identical. For this purpose, this
standard refers in particular to
a) The following characteristics of fuses:
1) their rated values;
2) their temperature rises in normal service;
3) their power dissipation;
4) their time-current characteristics;
5) their breaking capacity;
2
6) their cut-off current characteristics and their I t characteristics;
7) their arc voltage limits.
b) Type tests for verification of the characteristics of fuses.
c) The markings on fuses.
d) Availability and presentation of technical data (see Annex B).
1.2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 60269-1, Low-voltage fuses – General requirements
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60269-4 © IEC:2006 – 17 –
IEC 60269-2, Low-voltage fuses – Supplementary requirements for fuses for use by
authorized persons (fuses mainly for industrial application) – Examples of standardized
systems of fuses A to I
IEC 60269-3, Low-voltage fuses – Supplementary requirements for fuses for use by unskilled
persons (fuses mainly for household or similar application) – Examples of standardized
systems of fuses A to F
IEC 60417, Graphical symbols for use on equipment
ISO 3, Preferred numbers – Series of preferred numbers
2 Terms and definitions
IEC 60269-1 applies with the following supplementary requirements.
2.2 General terms
2.2.101
semiconductor device
Remark: previously 2.1.14 in IEC 60269-4, Amendment 2
device whose essential characteristics are due to the flow of charge carriers within a
semiconductor
[IEV 521-04-01]
2.2.102
semiconductor fuse-link
Remark: previously 2.1.15 in IEC 60269-4, Edition 3
current-limiting fuse-link capable of breaking, under specific conditions, any current value
within the breaking range (see 7.4)
2.2.103
signalling device
Remark: previously 2.1.16 in IEC 60269-4, Amendment 2
device forming part of the fuse and signalling the fuse operation to a remote place.
A signalling device consists of a striker and an auxiliary switch. Electronic devices may also
be used
3 Conditions for operation in service
IEC 60269-1 applies with the following supplementary requirements.
3.4 Voltage
3.4.1 Rated voltage
For a.c., the rated voltage of a fuse-link is related to the applied voltage; it is based on the
r.m.s. value of a sinusoidal a.c. voltage. It is further assumed that the applied voltage retains
the same value throughout the operation of the fuse-link. All
...
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